Ursus
Known Reviewer
Scientist argues that only N95 masks will aerosol valves have any credible chance of protecting you from Covid.
But even then, transmission is still likely.
But even then, transmission is still likely.

Science Catches Up -- And Burns You All
<p>There is a reason science is a <em>process </em>and until you understand something you should keep your ******ned mouth shut.</p><p>Especially when all you have against 40+ years of hard science
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